WO2006011566A1 - 一体化ディスク基板の剥離装置 - Google Patents
一体化ディスク基板の剥離装置 Download PDFInfo
- Publication number
- WO2006011566A1 WO2006011566A1 PCT/JP2005/013861 JP2005013861W WO2006011566A1 WO 2006011566 A1 WO2006011566 A1 WO 2006011566A1 JP 2005013861 W JP2005013861 W JP 2005013861W WO 2006011566 A1 WO2006011566 A1 WO 2006011566A1
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- WO
- WIPO (PCT)
- Prior art keywords
- disk substrate
- suction
- substrate
- integrated
- disk
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Definitions
- the present invention relates to an integrated disk substrate peeling apparatus, and more specifically, from an integrated disk substrate in which a first disk substrate and a second disk substrate are integrated with an adhesive from a first disk substrate.
- the present invention relates to an integrated disk substrate peeling apparatus for peeling off a disk substrate and transferring a reflective film, an adhesive layer and the like to the second disk substrate side.
- a base material layer disk substrate and a transfer release disk substrate on which a reflective film is formed are once integrated through an adhesive layer to form a bonded disk substrate, and then the transfer release disk substrate is pulled.
- Techniques have been developed for laminating and transferring peeled reflective films and adhesive layers to the base material layer disk substrate.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-222786
- Patent Document 2 JP 2002-150618 A
- the above-described transfer release disk substrate peeling apparatus is advantageous in that it can be easily peeled off by increasing the air pressure. Will not evenly escape in the outer circumferential direction.
- a strong blowout in one direction or a force not blown in the other direction causes a bias in the blowout direction. Therefore, there is a defect that the peeled surface is not uniform.
- fine particles such as adhesives may scatter outward and contaminate the surroundings.
- the present invention has an object to provide a peeling apparatus for a disc substrate that can be peeled off even if air blowing is weak and dust is not easily generated! To do.
- the present invention provides (1) a holding disk with a boss body for adsorbing and holding an integrated disk substrate in which the first disk substrate and the second disk substrate are integrated via an adhesive. And a suction disk for separating the first disk substrate from the second disk substrate by adsorbing the first disk substrate, wherein the holding disk includes: In order to peel off the first disk substrate from the second disk substrate force, the boss body has an air introduction hole for introducing air between both disk substrates, and the suction disk holds the suction disk so that it can reciprocate. An upper inner suction portion for sucking the peripheral portion of the center of the first disk substrate and a suction for depressurizing the upper inner suction portion. And a monolithic vehicle comprising: It consists in stripping device disk substrate.
- the upper inner suction portion for sucking the central peripheral portion of the first disk substrate includes a first annular upper rib having an inclined surface, and the first annular upper rib.
- the integrated disc substrate peeling apparatus according to the above (1) which has a second annular upper rib having a larger diameter and more protruding.
- the present invention further includes (4) an upper outer suction portion for sucking the outside of the upper inner suction portion, and the upper outer suction portion has a plurality of third annular upper ribs.
- the third annular upper rib is in the integrated disk substrate peeling apparatus according to (1), wherein the third annular upper ribs communicate with each other.
- the present invention relates to (5), the integrated disc according to (1), wherein the holding disc has a lower inner suction portion for sucking and holding the central peripheral portion of the second disc substrate. It exists in the substrate peeling device.
- the lower inner suction portion for sucking the central peripheral portion of the second disk substrate has a first annular lower rib and a diameter larger than that of the first annular lower rib.
- An integrated disk substrate peeling apparatus having a second annular lower rib.
- the present invention further includes (7) a lower outer suction portion for sucking the outside of the lower inner suction portion, and the lower outer suction portion includes a second annular lower rib, and a peripheral end bulge. And the integrated disk substrate peeling apparatus according to (1) above.
- the bottom surface of the lower outer suction portion is provided with a rubber body for holding the second disk substrate without damaging it. It exists in the peeling device of the integrated disk substrate.
- the present invention provides (9) in the above (1), wherein an air delivery hole formed in the boss body and a pressure source or an air release source are communicated with each other via an air flow path. It exists in the peeling apparatus of the description integrated disk board.
- the base material layer disk substrate force is also increased.
- the center peripheral portion of the transfer release disk substrate D1 is negatively applied by the upper inner suction portion that has been made negative by the suction means of the suction plate 2.
- the air can be introduced from the air introduction hole 4b of the boss body 4 between the base material layer disk substrate D2 and the transfer release disk substrate Dl. D1 can be easily peeled off from the base material layer disk substrate D2.
- the peeling operation by the apparatus of the present invention is based on the transfer release disk substrate D 1 by using the air introduced by the four boss bodies and the negative pressure on the upper inner suction portion A1. Since it can be peeled off from the material layer disk substrate D2, the air pressure generated from the boss body can be reduced as compared with the conventional case.
- the upper inner suction portion A1 for sucking the central peripheral portion of the transfer release disk substrate D1 is larger in diameter than the first annular upper rib 2cl having the inclined surface S and the first annular upper rib, and If the second annular upper rib 2c2 further protrudes, the first annular upper rib can be squeezed along the inclined surface S, and the center peripheral portion of the transfer release disc substrate D1 is the base layer disc. easily peels from the substrate.
- first disk substrate and the second disk substrate As an example of the first disk substrate and the second disk substrate, the case where the transfer release disk substrate D1 and the base layer disk substrate D2 shown in the above-mentioned conventional example are used will be described.
- FIG. 1 shows a transfer release disk substrate peeling apparatus according to an embodiment of the present invention.
- the peeling apparatus 1 mainly includes a holding disk 3 for sucking and holding the base material layer disk substrate D2, and a transfer release disk substrate D1 and peeling the transfer release disk substrate D1 from the base material layer disk substrate D2. And a suction cup 2 for the purpose.
- the holding plate 3 is provided with a boss body 4 at the center thereof, and an air capable of introducing air into the boss body 4 between the base material disk substrate and the transfer release disc substrate.
- Introduction hole 4b Is formed.
- Air is introduced into the air introduction hole 4b from an unillustrated pressure source (positive introduction) or an open air source (reactive introduction) via the air flow passage 4a.
- the holding plate 3 is formed with a suction hole 3a for negatively applying a lower inner suction portion B1 to be described later, and a suction hole 3b for lowering the lower outer suction portion B2 outside thereof. Therefore, the pressure is reduced by a negative pressure source such as a vacuum pump (not shown).
- the lower inner suction portion B1 can suck and suck the periphery of the center of the base material layer disk substrate D2, while the lower outer suction portion B2 is located outside the center periphery of the base material layer disk substrate D2. Adsorption over a wide range up to the outer peripheral end side is possible.
- the suction disk 2 includes a suction means (which includes a suction passage 2a, a cylinder member 10, a valve 11, etc., which will be described later) and an upper outer side for making the upper inner suction portion A1 described later have a negative pressure.
- a suction passage 2b for forming a negative pressure in the suction part A2 is formed.
- the suction passage 2b communicates with a negative pressure source (not shown).
- the upper inner suction part A1 can suck and suck the periphery of the center of the transfer release disk substrate D1, and the upper outer suction part A2 is outside the center peripheral part of the transfer release disk substrate D1. Can be adsorbed over a wide range.
- suction disk 2 is attached to a mounting plate 8 that can move up and down via a spring 7 and can be moved up and down in the same manner.
- the mounting plate 8 is further connected to a slide member 5 that can move up and down, and moves together.
- FIG. 2 is an explanatory view showing the details of the suction cup 2, wherein FIG. 2 (A) is a sectional view thereof and FIG. 2 (B) is a bottom view thereof.
- the suction plate 2 is formed with a plurality of annular ribs.
- first annular upper rib 2cl having the inclined surface S and located on the innermost side and the second annular upper rib 2c2 having a larger diameter and projecting from the first annular upper rib 2cl are transferred.
- An upper inner suction portion A1 for sucking the periphery of the center of the release disk substrate D1 is formed.
- an upper outer adsorption portion A2 for adsorbing the outside of the upper inner adsorption portion A1 is formed by the double third annular upper ribs 2c3, 2c4. .
- the third annular upper ribs 2c3 and 2c4 are in communication with each other.
- the height of the annular upper ribs 2c2 to 2c4 is made uniform.
- the height of the first annular upper rib 2cl is made lower than them.
- the tip surfaces of the annular upper ribs 2cl to 2c4 abut against the transfer release disc substrate D1, and at this time, the second annular upper rib 2c2 is adsorbed on the upper inner side.
- the section A1 is partitioned from the upper outer suction section A2 outside the section A1.
- the upper inner suction portion A1 and the outer outer suction portion A2 outside the upper suction portion A1 are different from each other in suction paths.
- the annular upper ribs 2cl to 2c4 are thus provided as the receiving surface of the transfer release disc substrate D1.
- the transfer release disc substrate is locally provided by suctioning a wide area with a negative pressure in the groove between the ribs. This is to prevent D 1 from being lost.
- FIG. 3 is an explanatory view showing details of the holding plate 3
- FIG. 3 (A) is a plan view thereof
- FIG. 3 (B) is a sectional view thereof.
- the holding plate 3 is formed with double annular ribs.
- first annular lower rib 3cl formed around the boss body, and the second annular lower rib 3c2 that is outward and larger in diameter than the first annular lower rib 3cl, is a base material layer disk substrate.
- a lower inner suction portion B1 is formed to suck the center periphery of D2.
- the holding disc 3 is formed with a lower outer suction portion B2 for sucking the outer side of the lower inner suction portion B1 by the second annular lower rib 3c2 and the peripheral end raised portion 3c3.
- the heights of the first annular lower rib 3cl, the second annular lower rib 3c2, and the peripheral edge raised portion 3c3 are made uniform.
- the first annular lower rib 3cl, the second annular lower rib 3c2, and the peripheral edge raised portion 3c3 come into contact with the base material layer disk substrate D2.
- the first annular lower rib 3cl, the second annular lower rib 3c2, and the peripheral edge raised portion 3c3 are The reason why it is provided and used as the receiving surface of the base material layer disk substrate D2 is that the area between the ribs is negatively pressured and suction is performed over a wide area.
- a sheet-like rubber body for holding the base material layer disk substrate D2 without scratching the bottom of the lower outer suction portion B2 formed between the second annular lower rib 3c2 and the peripheral edge raised portion 3c3. 6 is provided.
- FIG. 5 is an enlarged view showing the vicinity of the boss body 4 at this time.
- the boss body 4 is formed with the air introduction hole 4b communicating with the air flow passage 4a, and the air flow passage 4a communicates with a pressure source or an air release source (not shown).
- the suction disk 2 is attached to the attachment plate 8 via springs 7 with bolts 9 at four locations around its central axis.
- the transfer release disc substrate D1 can be pressed elastically without impact. it can.
- a fitting hole 2e is formed at the center of the suction disk 2 on the opposite side of the fitting hole 2d described above via the middle wall 2f.
- a cylindrical member 10 having a large-diameter flange portion 10a is fitted into the fitting hole 2e, and a vertically movable valve 11 is movably inserted in the cylindrical member 10.
- a spring 12 is provided between the lower surface side of the valve 11 and the middle wall portion 2f.
- FIG. 7 is an enlarged view of the vicinity of the boss body 4 at this time.
- valve seat portion 10b and the umbrella portion 11a are separated from each other, and the suction passage 2a of the suction cup 2 and the upper inner suction portion A1 communicate with each other.
- the suction passage 2a since the suction passage 2a has already been made negative by a vacuum pump of a negative pressure source (not shown), the upper inner suction portion A1 is evacuated through the suction passage 2a indicated by the arrow, and the upper side The transfer release disk substrate D1 (specifically, the periphery of the center) is sucked to the suction disk 2 side.
- the suction means for making the upper inner suction portion A1 have a negative pressure is at least when the suction plate 2 is pressed by the suction passage 2a and the holding plate 3 leading to the negative pressure source.
- a valve 11 that opens the suction passage 2a by pressure is provided.
- the air pressure is set to a negative pressure in the space X between the disk substrates Dl and D2 (see FIG. 8A) due to the negative pressure in the upper inner suction portion A1 of the suction disk. Because of this, the air pressure is enough to prevent the transfer release disk substrate from peeling off the base layer disk substrate!
- the transfer release disk substrate D1 is the base.
- the reverse adsorption phenomenon that is adsorbed on the material layer disk substrate D2 can be eliminated. Note that when this reverse adsorption phenomenon occurs, it can be understood that the transfer release disk substrate D1 is difficult to peel from the base material layer disk substrate D2.
- the air introduction hole 4b of the boss body 4 is communicated with the air release source via the air flow passage 4a, the air release source force air (in this case, the atmosphere) is introduced.
- a passive air introduction method can also be used.
- the air pressure introduced from the air introduction hole 4b of the boss body is lower than the air pressure of the peeling device previously shown in the conventional example.
- FIG. 8 shows a state in which air is introduced into the space X between both the disk substrates Dl and D2, and the transfer release disk substrate D1 is peeled off before the substrate layer disk substrate D2 is peeled off (A). It is explanatory drawing which expands and shows the state of back (B), respectively.
- the transfer release disc substrate D1 is adsorbed by the upper inner adsorbing portion A1 of the adsorbing plate 2 and peeled off from the base material layer disc substrate D2.
- the transfer release disk substrate D1 is gently deformed, and local unreasonable force is not generated.
- the transfer release disk substrate D1 becomes the base layer disk substrate D2. Power is completely withdrawn.
- the peeling operation using the peeling device for the integrated disk substrate of the present invention is performed by the boss body.
- the transfer release disk substrate D1 can be peeled from the base material layer disk substrate D2 by using the air introduced from 4 and the negative pressure of the upper inner suction portion A1.
- the transfer release disk substrate and the base layer disk substrate have been described as examples.
- this apparatus again converts the integrated disk substrate into the first disk substrate D1 and the second disk substrate D2.
- the first disk substrate D1 and the second disk substrate D2 can be of any structure.
- the present invention peels off the first disk substrate from the integrated disk substrate in which the first disk substrate and the second disk substrate are integrated via an adhesive, and the reflective film, the adhesive layer, and the like are removed.
- the present invention relates to an integrated disk substrate peeling apparatus for transferring to a two-disk substrate side, and is naturally applicable in the field of optical disks, and also widely applicable to the other field of peeling off laminated plates.
- FIG. 1 is an explanatory view showing an embodiment of a disc substrate peeling apparatus according to the present invention.
- FIG. 2 is an explanatory view showing details of the suction disk of FIG. 1, in which (A) is a cross-sectional view and (B) is a bottom view.
- FIG. 3 is an explanatory view showing details of the suction disk of FIG. 1, in which (A) is a plan view and (B) is a cross-sectional view.
- FIG. 4 is an explanatory view showing a state at the moment when the suction disk of FIG. 1 is lowered and the both disk substrates are bonded together.
- FIG. 5 is an enlarged view of the vicinity of the boss body of FIG.
- FIG. 6 is an explanatory view showing a state where the suction disk of FIG. 4 is further lowered.
- FIG. 7 is an enlarged view of the vicinity of the boss body in FIG.
- FIG. 8 is an explanatory view showing, in an enlarged manner, states before (A) and after (B) the transfer release disc substrate is peeled off from the base material layer disc substrate.
- FIG. 9 is an explanatory view showing a conventional disc substrate peeling apparatus.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004224840A JP2006048773A (ja) | 2004-07-30 | 2004-07-30 | 一体化ディスク基板の剥離装置。 |
JP2004-224840 | 2004-07-30 |
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WO2006011566A1 true WO2006011566A1 (ja) | 2006-02-02 |
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PCT/JP2005/013861 WO2006011566A1 (ja) | 2004-07-30 | 2005-07-28 | 一体化ディスク基板の剥離装置 |
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WO (1) | WO2006011566A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01150515A (ja) * | 1987-12-08 | 1989-06-13 | Hitachi Chem Co Ltd | 光ディスク基板の製造装置 |
JPH0493208A (ja) * | 1990-08-10 | 1992-03-26 | Canon Inc | 偏平成形品の離型方法 |
JPH05285997A (ja) * | 1992-04-08 | 1993-11-02 | Tekunopurasu:Kk | ディスク成形におけるディスクの剥離方法 |
JPH06876A (ja) * | 1992-06-19 | 1994-01-11 | Sony Corp | 光ディスク製造装置 |
JPH09219041A (ja) * | 1996-02-13 | 1997-08-19 | Sony Corp | 光学記録媒体の製造方法とこれに用いる製造装置 |
JP2002197731A (ja) * | 1999-05-31 | 2002-07-12 | Origin Electric Co Ltd | 情報ディスクの剥離方法及び剥離装置 |
-
2004
- 2004-07-30 JP JP2004224840A patent/JP2006048773A/ja active Pending
-
2005
- 2005-07-28 WO PCT/JP2005/013861 patent/WO2006011566A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01150515A (ja) * | 1987-12-08 | 1989-06-13 | Hitachi Chem Co Ltd | 光ディスク基板の製造装置 |
JPH0493208A (ja) * | 1990-08-10 | 1992-03-26 | Canon Inc | 偏平成形品の離型方法 |
JPH05285997A (ja) * | 1992-04-08 | 1993-11-02 | Tekunopurasu:Kk | ディスク成形におけるディスクの剥離方法 |
JPH06876A (ja) * | 1992-06-19 | 1994-01-11 | Sony Corp | 光ディスク製造装置 |
JPH09219041A (ja) * | 1996-02-13 | 1997-08-19 | Sony Corp | 光学記録媒体の製造方法とこれに用いる製造装置 |
JP2002197731A (ja) * | 1999-05-31 | 2002-07-12 | Origin Electric Co Ltd | 情報ディスクの剥離方法及び剥離装置 |
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JP2006048773A (ja) | 2006-02-16 |
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